National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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10 Miles N Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 44 °F

Friday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 49 °F

Friday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 41 °F

Saturday

Snow Chance for Measurable Precipitation 90%

Snow

High: 41 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 26 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 35 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 29 °F

Monday

Partly Sunny

Partly
Sunny

High: 42 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 36 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 44. South wind around 11 mph.
  • Friday A slight chance of rain showers before 11am, then a chance of rain and snow showers. Some thunder is also possible. Cloudy, with a high near 49. Breezy, with a south southwest wind 16 to 22 mph becoming southeast in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Friday Night Rain and snow showers, becoming all snow after 11pm. Some thunder is also possible. Low around 41. South wind 5 to 10 mph becoming west northwest in the evening. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
  • Saturday Snow showers. High near 41. West northwest wind 11 to 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
  • Saturday Night A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
  • Sunday A 20 percent chance of snow. Mostly sunny, with a high near 35.
  • Sunday Night Partly cloudy, with a low around 29.
  • Monday Partly sunny, with a high near 42.
  • Monday Night A 20 percent chance of snow. Mostly cloudy, with a low around 36.
  • Tuesday A chance of snow. Cloudy, with a high near 45. Chance of precipitation is 40%.
  • Tuesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 36.
  • Wednesday A 20 percent chance of rain. Mostly cloudy, with a high near 46.
  • Wednesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 37.
  • Thursday A 20 percent chance of rain. Mostly cloudy, with a high near 48.